Here’s collected the most frequently asked questions and answers for PCMtuner V1.26 ECU Programmer. Read this post to learn solutions when having same operation issues.
Q: Why my PCMtuner cannot connect to PC? Computer is not responding.
A: Attention please PCMtuner has 2 power supply: USB communication cable & PCB power supply cable. Many users tend to just plug the USB cable but not main cable, that’s the reason why computer failed to connection.
Q: Why PCMtuner can identify ECU successfully, but failed to find device when click “Read”?
A: In this case, simply plug & unplug the power supply cable once.
Q: Why my PCMtuner account displays “unactivated”?
A: Account will be activated 24 hours after the application is submitted, please wait patiently.
Q: Why the device cannot find PCM Dongle or PCMtuner?
A: Please plug main power supply cable, USB cable & PCM dongle for connection.
Q: Where to log in my user account?
A: We’ll generate 2 user accounts: VZ performance & Tunerbox.
VZ performance: Log in at https://support.vz-performance.com for VR files & damaos.
Tunerbox: Log in at https://www.tuner-box.com for technical assistance.
Q: Wiring connection is all correct, but PCMtuner cannot read?
A: Make sure you have selected the right mode(OBD/Bench/Boot). If connect without opening shell, please select No.71 protocol. Users should select correctly according to corresponding MCU (Can be found in wiring diagram).
Q: What cars support virtual files?
A: Toyota, VW, Audi, Honda can support virtual files.
Q: How to select virtual files?
Steps: Identify ID >> Search ID/ SW software no./ part no. >> Download corresponding files
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